en.wikipedia.org website review
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SEO Keyword summary for en.wikipedia.org/wiki/arithmetic_hierarchy
Keywords are extracted from the main content of your website and are the primary indicator of the words this page could rank for. By frequenty count we expect your focus keyword to be displaystyle
Focus keyword
Short and long tail
Short Tail Keywords displaystyle sigma hierarchy |
long Tail Keywords (2 words) arithmetical hierarchy natural numbers sigma n0 n0displaystyle sigma n0displaystyle pi |
long Tail Keywords (3 words) n0displaystyle pi n0 n0displaystyle sigma n0 n0 and n0displaystyle 10displaystyle sigma 10 n0displaystyle delta n0 assigned the classification move to sidebar |
en.wikipedia.org On-Page SEO Scan
Descriptive Elements
The <head> element of a en.wikipedia.org/wiki/arithmetic_hierarchy page is used to inform the browser and visitors of the page about the general meta information. The head section of the page is where we place the page title, the definition of the HTML version used, the language of in which the page is written. In the head section we can also include JavaScript and CSS (markup) files for the page.
Page title
Title length
arithmetical hierarchy wikipedia
Meta description
Meta description legth
Meta description SEO
No meta relevance in the description detected !
Content SEO
Number of Words
Spam detected?
Headings
Heading distribution
Heading normalisation
Heading SEO impact
Emphasis (bold and italic)
Emphasis SEO impact
Images
Number of images
Images dimensions
Image alt descriptions
Images SEO impact
wikipedia free encyclopedia displaystyle sigma phi exists cdots mkpsi psi forall nin xleftrightarrow mathbb models varphi underline delta knneq times nkpsi ldots nkm gdelta xnm xmid nexists mphi nfn knfk cdot mexists tymland mtimes xleq equiv xequiv ayiff ayland yleq leq omega mathcal osubseteq oxin nxn mathbf nlm nlforall mkrn nlexists subsetneq cup ngeq subseteq emptyset setminus wikimedia foundation powered mediawiki
Mobile SEO en.wikipedia.org/wiki/arithmetic_hierarchy
Mobile rendering
Mobile optimizations
Responsive design detected (mobile css)
No flash detected !
Mobile improvement
Marketing / lead generation for en.wikipedia.org/wiki/arithmetic_hierarchy
Social Media
Facebook shares | Facebook likes | ||
Facebook comments | Tweets | ||
Google +1 |
Conversion form
Search form
Analytics
Online presence
SERP Preview
SERP Title
SERP Link
SERP Description
Domain Level SEO
Domain name
16 characters long
Domain name SEO Impact
Path name
arithmetic found in path !
hierarchy found in path !
Structured data
Publisher Markup
Other Structured data
Website configuration
Correct processing of non-existing pages?
Favicon icon found?
Robots.txt found?
Sitemap found?
Navigation and internal links
Navigation
Url seperator
Human readable urls
Number of links
Link SEO Impact
statistics
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en.m.wikipedia.org |
en.wikipedia.org wikimedia foundation inc
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w httpsenwikipediaorgwindexphptitlearithmeticalhierarchyoldid1242022882
page information
printable version
arithmetic hierarchy
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wiki levy hierarchy
mathematical logic
stephen cole kleene
andrzej mostowski
sets
formulas
define
computability theory
effective descriptive set theory
formal theories
peano arithmetic
tarskikuratowski algorithm
hyperarithmetical hierarchy
analytical hierarchy
firstorder arithmetic
natural numbers
lightface
logically equivalent
bounded quantifiers
existential quantifiers
universal quantifiers
prenex normal form
cartesian powers
tuples
pairing function
recursively enumerable sets
turing machines
baire space
cantor space
open
topology
gdel numbers
borel
borel sets
a gdisplaystyle gdelta set
using primitive recursive functions in firstorder peano arithmetic
courseofvalues recursion
recursive
oracle
predicate
unions
intersections
divisible
turing reducibility
hyperarithmetic reducibility
reflexive
transitive
equivalence relation
equivalence classes
partially ordered
baire space
secondorder arithmetic
characteristic function
effective polish space
posts theorem
universal turing machine
turing computable set
complement
oracle machine
halting problem
turing degrees
turing jump
manyone complete
turing complete
polynomial hierarchy
lightface
boldface
recursive
clopen
recursively enumerable
closed
arithmetical
recursive
countable
hyperarithmetical
analytic
coanalytic
projective
lvy hierarchy
hierarchy mathematics
interpretability logic
japaridze giorgie
annals of pure and applied logic
moschovakis yiannis n
isbn
rogers h jr
complexity classes
dlogtime
ac0
acc0
tc0
nlcomplete
pcomplete
bqp
apx
npcomplete
nphard
conp
conpcomplete
tfnp
qma
pcomplete
pspace
pspacecomplete
exptime
nexptime
expspace
2exptime
elementary
exponential hierarchy
grzegorczyk hierarchy
boolean hierarchy
dtime
ntime
dspace
nspace
probabilistically checkable proof
interactive proof system
list of complexity classes
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Links to external pages
Outloing links
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SEO Advice for en.wikipedia.org
In this section we provide pointers on how you can to optimize your web page so it can be found more easily by search engines and how to make it rank higher by optimizing the content of the page itself. For each of the individual criteria the maximum score is 100%. A score below 70% is considered to be indication that the page is not complying with general SEO standards and should be evaluated and/or fixed. Not every factor is weighted the same and some are not as important as others. Relatively unimportant factors like meta keywords are not included in the overall score.
Item | Factor | Pointers | |
---|---|---|---|
PageTitle | 100% | Far too many sites lack a page title. A page title is the first thing that shows in the search results so always use the title element. | |
Title relevance | 87% | A title should reflect the contents of a site. This site has a 67 % match | |
Title Length | 80% | Limit your title to anywhere between 40 and 70 characters. Your title was 35 characters long | |
Meta Description | 0% | A meta description is the second element that shows in the search results so always use the meta description. | |
Meta description length | 0% | The meta description should be between 145 and 160 characters. This meta description is 1 characters long. | |
Meta description relevance | 0% | Meta Description should reflect the contents of a site. This site has a 0 % match | |
Number of internal links | 30% | Linking to internal pages makes pages easier to find for search engines. Try to keep the number of links on your page roughly below 100. There are 208 internal links on this page. | |
Folder structure | 100% | We found a folder structure in the links on your page. A good folder structure makes a site easier to navigate. We found 3 level 1 folders and 6 folders above or in the first level of navigation. | |
Headings | 83% | Headers should reflect the contents of a site. This site has a 36 % match | |
Links | 14% | Link anchors should to some degree reflect the contents of a site. This site has a 7 % match | |
Image alt tags | 28% | Image alt tags should to some degree reflect the contents of a site. This site has a 10 % match | |
Bold and italic | 51% | Bold and italic tags should reflect the contents of a site to some degree. This site has a 17 % match | |
Html ratio | 30% | Try to keep the html / text ratio as low as possible. More html means longer loading times. Layout should be handled in a serpate css file | |
Image descriptions | 98% | 98.130841121495 % of all images have been described via the "alt" attribute. Describing images with relevant text may lead to better results in the search engines. | |
Page errors | 100% | Pages with no errors display significantly faster on most browsers. We detected 0 errors and warnings | |
WordCount | 20% | An ideal page contains between 400 and 600 words.This page contains 4362 words | |
Server response time | 30% | A slow server slows down a website. This server responds 25.8% slower the average | |
Gzip compression | 30% | This site does not use Gzip compression. Pages may not display as fast as they could | |
Keywords in Domainname | 30% | There are no important keywords in your domain name | |
Keywords in domain path | 100% | There are important keywords in the domain path | |
Structured Data | 100% | Structured data makes it easier for search engines to index your website | |
Inline css | 0% | Do not use inline css declarations. Inline css will slow down the rendering of the website. We detected 686 inline style declarations ( <a style="color:green">) with a size of 34211 bytes | |
Excessive use of the same words | 100% | There is no indication that there are one or more keywords that are used excessively. | |
Frames or iframes | 100% | Perfect, detected not (i)frames on your webpagina | |
Flash | 100% | Perfect, we detected no flash objects on your page | |
Css | 30% | We detected too much (2) CSS files on your page. Css files block the loading of a webpage. | |
Javascript | 100% | Perfect, we did not detect too many blocking JavaScript files | |
Mobile Website | 100% | Perfect, we found a responsive design for mobile users | |
Most important heading | 100% | Perfect, we detected a correct use of the most important (h1) heading! | |
Normalized headings | 40% | We dit not font a normalized heading structure. A heading 2 (h2) for example should be followed by a heading of an equal level (h2), a child heading (h3) or even a aprent heading (h1). |
How would you like to have SEO advice for all your pages ?? Start your SEO Dashboard and optimize your website!
en.wikipedia.org images and descriptions
87 images found at en.wikipedia.org Images can improve the user experience for a website by making a pag visually appealing Images can also add extra keyword relevance to a webpage by using alt tags. Images can also slow down a website. If the width and height for a picture is not specified for a browser know in advance how large the image is. A browser must first load the picture and see before it knows how much space should be on the page. Upon reservation In the meantime, the browser can do little but wait. When the height and width for the plate are given in the HTML code, a browser just continues to build for a page while the images load in the background.
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https://wikimedia.org/api/rest_v1/media/math/render/svg/6f4eab83a941de2b8ec24ae277121dcffb335933 height: height attribute not set width: width attribute not set description: {\displaystyle s(n_{1},\ldots ,n_{l})=\forall m_{1}\cdots \forall m_{k}r(n_{1},\ldots ,n_{l},m_{1},\ldots ,m_{k})} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/6905ad02e1fe3abf226e3d31e2308a6fbcb678c6 height: height attribute not set width: width attribute not set description: {\displaystyle s(n_{1},\ldots ,n_{l})=\exists m_{1}\cdots \exists m_{k}r(n_{1},\ldots ,n_{l},m_{1},\ldots ,m_{k})} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/472ac09286b20746e38e3a31a9f4feccbd4a0a23 height: height attribute not set width: width attribute not set description: {\displaystyle \delta _{1}^{0}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/78c66c8f73f9b2be5cfd2fae53d22f83df256bfe height: height attribute not set width: width attribute not set description: {\displaystyle \pi _{n}^{0}\subsetneq \pi _{n+1}^{0}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/ffe4e5b5f72daceab716fc4cc58d54a4d61f9415 height: height attribute not set width: width attribute not set description: {\displaystyle \sigma _{n}^{0}\subsetneq \sigma _{n+1}^{0}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/6e91795c8f54bee3b96bb7d1d2acc67da806855f height: height attribute not set width: width attribute not set description: {\displaystyle \delta _{n}^{0}\subsetneq \pi _{n}^{0}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/e69b0f06019c31a49ffc2aa1cc94aff249991b29 height: height attribute not set width: width attribute not set description: {\displaystyle \delta _{n}^{0}\subsetneq \sigma _{n}^{0}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/804180f32055745f9d4bcf4c0fa658bb099a5688 height: height attribute not set width: width attribute not set description: {\displaystyle \sigma _{n}^{0}\cup \pi _{n}^{0}\subsetneq \delta _{n+1}^{0}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/d8ce9ce38d06f6bf5a3fe063118c09c2b6202bfe height: height attribute not set width: width attribute not set description: {\displaystyle n\geq 1} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/e2647e336f34cacfba9934032137522052e8af0a height: height attribute not set width: width attribute not set description: {\displaystyle \delta _{2}^{0}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/30d8c3d3fdacbb70af717acd9a9cec752a5982db height: height attribute not set width: width attribute not set description: {\displaystyle \sigma _{1}^{0}\cup \pi _{1}^{0}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/071f06ccf27b4fd10d6fd4ce951035b666cc55b6 height: height attribute not set width: width attribute not set description: {\displaystyle \sigma _{0}^{0}=\pi _{0}^{0}=\delta _{0}^{0}=\sigma _{0}^{0}\cup \pi _{0}^{0}\subseteq \delta _{1}^{0}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/0af7a2e255a8aed2fc295be5c1837be63b9a4956 height: height attribute not set width: width attribute not set description: {\displaystyle \sigma _{n+1}^{0,y}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/02cc1e8df15477f73ff8399a90a05e26fc5b2432 height: height attribute not set width: width attribute not set description: {\displaystyle \emptyset ^{(n)}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/b5b66d7fb4da7f46545cc46b0aea598c5fd2ce70 height: height attribute not set width: width attribute not set description: {\displaystyle \mathbb {n} \setminus \emptyset ^{(n)}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/1cf937649bc89aaafc0e2e3329cdfc7b59f29515 height: height attribute not set width: width attribute not set description: {\displaystyle \emptyset ^{(n-1)}} |
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https://login.wikimedia.org/wiki/special:centralautologin/start?type=1x1 height: 1 width: 1 description: no alt description found |
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http://en.wikipedia.org/static/images/footer/wikimedia-button.svg height: 29 width: 84 description: wikimedia foundation |
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http://en.wikipedia.org/w/resources/assets/poweredby_mediawiki.svg height: 31 width: 88 description: powered by mediawiki |
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